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Comcast IP Holdings I, LLC's Statement about IPR related to RFC 3953, RFC 4415, RFC 4759, RFC 4769, RFC 4002, RFC 4355, RFC 4414, RFC 4725, RFC 4969, RFC 4979, RFC 5028, RFC 5278, RFC 5346, RFC 5067, RFC 5076, RFC 5105, RFC 2168, RFC 3401, RFC 3402, RF...

Only those sections of the "Patent Disclosure and Licensing Declaration Template for Specific IPR Disclosures" where the submitter provided information are displayed.

Update this IPR disclosure. Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

Submitted Date: November 5, 2008

I. Patent Holder/Applicant ("Patent Holder")
Legal Name: Comcast IP Holdings I, LLC
II. Patent Holder's Contact for License Application
Name: David L. Marcus
Title: Senior Patent Litigation Counsel
Department: Legal
Address1: 1701 JFK Blvd - 50th Flr
Address2: Philadelphia, PA 19103
Telephone: 2152865069
III. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure:
Name: David L. Marcus
Telephone: 2152865069
IV. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
RFC 3953:"Telephone Number Mapping (ENUM) Service Registration for Presence Services"
RFC 4415:"IANA Registration for Enumservice Voice"
RFC 4759:"The ENUM Dip Indicator Parameter for the "tel" URI"
RFC 4769:"IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling Information"
RFC 4002:"IANA Registration for Enumservice 'web' and 'ft'"
RFC 4355:"IANA Registration for Enumservices email, fax, mms, ems, and sms"
RFC 4414:"An ENUM Registry Type for the Internet Registry Information Service (IRIS)"
RFC 4725:"ENUM Validation Architecture"
RFC 4969:"IANA Registration for vCard Enumservice"
RFC 4979:"IANA Registration for Enumservice 'XMPP'"
RFC 5028:"A Telephone Number Mapping (ENUM) Service Registration for Instant Messaging (IM) Services"
RFC 5278:"IANA Registration of Enumservices for Voice and Video Messaging"
RFC 5346:"Operational Requirements for ENUM-Based Softswitch Use"
RFC 5067:"Infrastructure ENUM Requirements"
RFC 5076:"ENUM Validation Information Mapping for the Extensible Provisioning Protocol"
RFC 5105:"ENUM Validation Token Format Definition"
RFC 2168:"Resolution of Uniform Resource Identifiers using the Domain Name System"
RFC 3401:"Dynamic Delegation Discovery System (DDDS) Part One: The Comprehensive DDDS"
RFC 3402:"Dynamic Delegation Discovery System (DDDS) Part Two: The Algorithm"
RFC 3403:"Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database"
RFC 3404:"Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI)"
RFC 2719:"Framework Architecture for Signaling Transport"
RFC 3331:"Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Adaptation Layer"
RFC 3807:"V5.2-User Adaptation Layer (V5UA)"
RFC 3868:"Signalling Connection Control Part User Adaptation Layer (SUA)"
RFC 3873:"Stream Control Transmission Protocol (SCTP) Management Information Base (MIB)"
RFC 4165:"Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Peer-to-Peer Adaptation Layer (M2PA)"
RFC 4166:"Telephony Signalling Transport over Stream Control Transmission Protocol (SCTP) Applicability Statement"
RFC 4233:"Integrated Services Digital Network (ISDN) Q.921-User Adaptation Layer"
RFC 4666:"Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)"
RFC 4960:"Stream Control Transmission Protocol"
RFC 5133:"Terminal Endpoint Identifier (TEI) Query Request Number Change"
RFC 3482:"Number Portability in the Global Switched Telephone Network (GSTN): An Overview"
RFC 4114:"E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)"
RFC 3762:"Telephone Number Mapping (ENUM) Service Registration for H.323"
RFC 3761:"The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)"
RFC 3764:"enumservice registration for Session Initiation Protocol (SIP) Addresses-of-Record"
RFC 4192:"Procedures for Renumbering an IPv6 Network without a Flag Day"
Internet-Draft:"Resolution of Uniform Resource Identifiers using the Domain Name System"
Internet-Draft:"Framework Architecture for Signaling Transport"
Internet-Draft:"IANA Registrations for the 'Send-N' Enumservice"
Internet-Draft:"Update of legacy IANA Registrations of Enumservices"
Internet-Draft:"The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)"
Internet-Draft:"IANA Registration of Enumservices for Internet Calendaring"
Internet-Draft:"IANA Registration for an Enumservice Calling Name Delivery (CNAM) Information and IANA Registration for URI type 'pstndata' "
Internet-Draft:"Combined User and Infrastructure ENUM in the Tree"
Internet-Draft:"ENUM Requirement for EDNS0 Support"
Internet-Draft:"IANA Registrations of Enumservice "sms:smpp" and URI Scheme "smpp" "
Internet-Draft:"IANA Registration of Enumservices: Guide, Template, and IANA Considerations"
Internet-Draft:"ENUM Implementation Issues and Experiences"
Internet-Draft:"IANA Registration for Enumservice 'iax'"
Internet-Draft:"The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application for Infrastructure ENUM"
Internet-Draft:"IANA Registration for an Enumservice Trunkgroup"
Internet-Draft:"IANA Registration for Enumservice UNUSED"
Internet-Draft:"IANA Registration of Experimental and Trial Enumservices (X-Enumservices)"
Internet-Draft:"IANA Registration for the enumservice-subtype 'sip:lr'"
Internet-Draft:"IANA Registration for Location ('loc') Enumservice"
V. Disclosure of Patent Information (i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979)
A. For granted patents or published pending patent applications, please provide the following information:
Patent, Serial, Publication, Registration, or Application/File number(s): US6131095 US6466570 US7012916 US7206304 US20050141491A1 US20070076687A1 AU719651 JP4159603 NZ323991 NO19982513 SG53779 EP199602000568 EP199602000567 JP3867079 DE69632495.4 FR1207704 GB1207704 DE1207703 FR1207703 GB1207703 AU704385 C
Date(s) granted or applied for: 1995 through 2006
Country: US and various others
Additional Notes:

B. Does this disclosure relate to an unpublished pending patent application?: None
C. If an Internet-Draft or RFC includes multiple parts and it is not reasonably apparent which part of such Internet-Draft or RFC is alleged to be covered by the patent information disclosed in Section V(A) or V(B), it is helpful if the discloser identifies here the sections of the Internet-Draft or RFC that are alleged to be so covered:
No information submitted
VI. Licensing Declaration
The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):
Unwilling to Commit to the Provisions of a), b), or c) Above.
Licensing information, comments, notes, or URL for further information:
No information submitted
Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.
VII. Contact Information of Submitter of this Form (if different from the Contact Information above)
Name: David L. Marcus
Telephone: 2152865069
VIII. Other Notes:
No information submitted